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| author | Vladimir Makarov <vmakarov@redhat.com> | 2014-01-21 21:26:33 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2014-01-21 21:26:33 +0000 |
| commit | 9102daddaba2ffd48272bd61db08e71203641d62 (patch) | |
| tree | 88adcd42f6a533b3aa9f77003b81e52ad6a9c285 /gcc/lra-constraints.c | |
| parent | ca376eb8906f017e36271a101d95d42a4243bb2f (diff) | |
| download | gcc-9102daddaba2ffd48272bd61db08e71203641d62.zip gcc-9102daddaba2ffd48272bd61db08e71203641d62.tar.gz gcc-9102daddaba2ffd48272bd61db08e71203641d62.tar.bz2 | |
re PR rtl-optimization/59896 (Bootstrap: Thumb-1 LRA unable to generate reloads for jump_insn)
2014-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59896
* lra-constraints.c (process_alt_operands): Check unused note for
matched operands of insn with no output reloads.
2014-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59896
* gcc.target/arm/pr59896.c: New.
From-SVN: r206908
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 7a2d065..dc5e59a 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -2199,7 +2199,13 @@ process_alt_operands (int only_alternative) || (curr_static_id->operand[nop].type != OP_OUT && no_input_reloads_p && ! const_to_mem) || (this_alternative_matches >= 0 - && (no_input_reloads_p || no_output_reloads_p))) + && (no_input_reloads_p + || (no_output_reloads_p + && (curr_static_id->operand + [this_alternative_matches].type != OP_IN) + && ! find_reg_note (curr_insn, REG_UNUSED, + no_subreg_reg_operand + [this_alternative_matches]))))) { if (lra_dump_file != NULL) fprintf |